Y+2y-9=180

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Solution for Y+2y-9=180 equation: 


Simplifying
Y + 2y + -9 = 180

Reorder the terms:
-9 + Y + 2y = 180

Solving
-9 + Y + 2y = 180

Solving for variable 'Y'.

Move all terms containing Y to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + Y + 9 + 2y = 180 + 9

Reorder the terms:
-9 + 9 + Y + 2y = 180 + 9

Combine like terms: -9 + 9 = 0
0 + Y + 2y = 180 + 9
Y + 2y = 180 + 9

Combine like terms: 180 + 9 = 189
Y + 2y = 189

Add '-2y' to each side of the equation.
Y + 2y + -2y = 189 + -2y

Combine like terms: 2y + -2y = 0
Y + 0 = 189 + -2y
Y = 189 + -2y

Simplifying
Y = 189 + -2y

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